San Diego Braces for Dramatic Temperature Drop

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San Diego residents are in for a weather whiplash as temperatures are set to plummet in the coming days. After a warm start to the week, daytime highs are expected to drop significantly, with the coast seeing temps in the low-to-upper 70s and the inland valleys reaching the upper 70s to mid-80s on Monday. The temperature freefall will continue through Wednesday, when the region will see temperatures around average.

Why it matters

Sudden temperature swings can disrupt daily routines, impact outdoor activities, and pose challenges for those sensitive to changes in weather. This forecast highlights the volatility of San Diego's climate and the importance of being prepared for rapid shifts in temperature.

The details

The temperature drop will be most dramatic on Tuesday and Wednesday, with the mountains, valleys, and coast having a slight chance of seeing showers late Tuesday evening. Those shower chances will increase on Wednesday before tapering off on Thursday. By Sunday, the region could even see some light snow in Palomar Mountain as showers become more likely across San Diego County.

• On Monday, daytime highs will fall off by up to 6 degrees from Sunday.
• Temperatures will reach their low point of the work week by Wednesday.
• Showers are expected late Tuesday evening, with chances increasing on Wednesday and tapering off by Thursday.
• On Sunday, showers are even more likely across the region and could bring light snow to Palomar Mountain.